Senior SQL Developer

2 weeks ago

Randburg, Gauteng, South Africa -19bc-401a-a78c-e38bd9dd80f5 Full time R80 000 - R120 000 per year


We're Hiring: Senior SQL Developer


JHB / Remote / Hybrid

Permanent

R120,000 - R80,000(DOE)

Are you a Senior SQL Developer
with a passion for building high-performance database solutions?

Do you enjoy solving complex data problems, optimising SQL queries, and driving database architecture decisions?

If yes — we want to meet you


About the Role

Our client is seeking an experienced
Senior SQL Developer
to design, develop, and optimise database solutions that power critical business applications and analytics.

You'll work across
SQL Server
,
data architecture
,
ETL workflows
, and
performance tuning
, while also mentoring junior developers and contributing to long-term data strategy.


Key Responsibilities


• Design, develop, and maintain
relational databases
, tables, indexes, views, functions, and stored procedures.


• Write
complex SQL queries
, ensure efficient data retrieval, and optimise performance.


• Monitor and troubleshoot database performance issues; implement tuning solutions.


• Manage
ETL processes
, data integration, and migration activities.


• Collaborate with business analysts, developers, and stakeholders to align data solutions with business needs.


• Ensure
data integrity, security, and compliance
with industry standards.


• Mentor junior SQL developers and contribute to best-practice standards.


• Support long-term
database architecture and scalability planning
.


Must-Have Skills & Experience


• 5+ years' experience as a SQL Developer.


• Strong experience with
SQL Server, Oracle, MySQL, PostgreSQL
, or similar RDBMS.


• Advanced SQL knowledge: joins, CTEs, window functions, triggers, stored procedures, functions.


• Deep experience in
performance tuning and query optimisation
.


• Experience with ETL tools such as
SSIS, Informatica, Talend
, etc.


• Excellent analytical, troubleshooting, and communication skills.


Nice-to-Haves


• Experience with
cloud databases
(Azure SQL, AWS RDS, Google Cloud SQL).


• Scripting knowledge (Python, PowerShell) for automation.


• Reporting tools:
Power BI, Tableau, SSRS
.


• Relevant certifications (Microsoft, Oracle, etc.).


Educational Requirements


• Bachelor's degree in Computer Science, Information Systems, Software Engineering, or relevant experience.


Soft Skills


• Strong analytical and problem-solving mindset.


• High attention to detail and data accuracy.


• Ability to explain technical concepts clearly.


• Leadership and mentorship capability.


How to Apply

Send your CV and supporting documents to:


REF: SQL_LI

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